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  • Damn, I did 2 years of physics studies but I never heard about atto and exa. Though I did spend a lot of time to try to memorise the other ones.

    • Just wait until you hear about zetta (1021) and yotta (1024) and their inverses zepto (10-21) and yocto (10-24). :D

      Huh, neat! When fact-checking my statement, I just learned that there are even two more prefixes on each side of the scale: ronna (1027), quenna (1030), ronto (10-27) and quecto (10-30). They got added last year.

86 comments